Update README.md

NEMO/README.md

@@ -53,11 +53,12 @@ Five configurations (see below) should be performed for 20000 steps each
 3960 tasks ; jpni=60, jpnj=66
 
 ```
-1. before launching the runs check the file:
- grep nn_itend  $HOME/release-4.0/tests/BENCH/EXP00/namelist_cfg_orca1_like \
+1. before launching the runs check the file: 
+```
+ grep nn_itend  $HOME/release-4.0/tests/BENCH/EXP00/namelist_cfg_orca1_like 
  **  nn_itend    =    20000 **  !  last time step
-
-nn_itend value should be set at 20000  (default=1000) \
+```
+nn_itend value should be set at 20000  (default=1000) 
 2. Change the flag to get timing information 
 
  grep timing $HOME/release-4.0/tests/BENCH/EXP00/namelist_cfg_orca1_like